Trump's interested in buying Greenland: Here's how the country makes money

President Donald Trump has on multiple occasions discussed trying to buy the country of Greenland, The Wall Street Journal reported. Trump has with "varying degrees of seriousness" expressed an interest in trying to purchase the icy 811,000-square-mile island in the North Atlantic, according to the Journal. Greenland's Ministry of Foreign Affairs has said the country is not for sale — however, it is open for business. Here's what makes up the economy of Greenland.